Apple suddenly released iOS version 12.4.1 for iPhone, iPad and iPod touch. In addition to helping to improve the stability of the system, there are also additional versions and to fix vulnerabilities that facilitate jailbreak iOS 12.4
- Other devices also receive similar updates, including tvOS 12.4.1, watchOS 5.3.1 and macOS Mojave 10.14.6
- For watchOS 5.3.1, you open the Watch App (Watch on iPhone)> General Settings (General)> Software Update

- To perform the iOS 12.4.1 update for iPhone / iPad via OTA, open Settings (Settings)> General (General)> Software update (Software Update)
- If you are performing a firmware upgrade, you need to download the compatible version of the device, and make a backup first to make sure there is no data loss if an error occurs, check your Apple ID account (it is best to turn off the find iPhone / iPad function or exit completely if possible), check the amount of free memory on demand and charge the battery above 50%

DOWNLOAD FIRMWARE IOS 12.4.1
- iPhone XS
- iPhone XS Max
- iPhone XR
- iPhone X
- iPhone 8 and iPhone 7
- iPhone 8 Plus and iPhone 7 Plus
- iPhone SE and iPhone 5s
- iPhone 6s and iPhone 6
- iPhone 6s Plus and iPhone 6 Plus
- iPad Pro (11-inch), iPad Pro (12.9-inch) (3rd generation)
- iPad Pro 10.5 and iPad Pro 12.9 (2nd-Generation)
- iPad 5 and iPad 6
- iPad mini 5 and iPad Air 3
- iPad mini 4, iPad Air 2, iPad mini 3
- iPad Pro 9.7-inch
- iPad Pro 12.9 (1st-Generation)
- iPad Air and iPad mini 2
- iPod touch 6
- iPod touch 7
You can crack iOS 12.4, but 12.4.1 at least not now
Jailbreak developers these days released a working iOS 12.4 jailbreak device that’s well suited with Apple A7 thru A11 gadgets. that means you may jailbreak an iPhone 5s, iPhone SE, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone eight Plus, or iPhone X jogging iOS 12